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百度 郝克玉像母亲一样,定期为狗狗们晒被褥,进行清洗。
????(熱傳導率, ??: Thermal conductivity, k, λ, κ? ???)? ???? ???? ??? ??? ????. ????? SI ??? W/(m?K)??. ?? ??, 1??, 293K(=20 °C) ????, ??? ????? 0.025 W/(m?K)? ???, ?? ????? ?? 0.5918 W/(m?K)??, ???? ??? 0.100 W/(m?K)??. ??? ????? ? 401 W/(m?K)??.
???, ?? ????? ??? ??? ?? ????? ???, ?? ????? ??? ??? ??(絶緣)? ???. ??? ? ???? ??? ????, ?? ????? ??? ?? ????? ???. ? ???? ??? ?????? ??.
? ???? ??? ?????, ??? ?? ??? ? ? ???? ???? ?? ??? ???? ?? ????.
????? ????? ???(Hot wire method), ???? (Guarded Heat flow method), ???? (Guarded Hot plate method)?? ???? ??? ??? ??? ??? ???? ?? ??? ???? ?????.
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(P=???(W, J/s? ??) A=??? ??(m2) k = ????(W/mK, ?T = ?? ???(K/m)
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